Engine knocking is caused by low-octane fuel, worn spark plugs, carbon buildup, and poor timing. Maintenance, cleaning, and ...

The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed ...

The federal agency is demanding failure and repair data from manufacturers to "hold [them] accountable for the continued system failures." ...

The paint is barely dry on Volvo’s current infotainment system and the Swedish automaker’s already implementing an overhaul with the debut of its upcoming EV. On Thursday, Volvo announced the upcoming ...

Volvo announced a recall for certain model cars built between 2021 and 2025. The vehicles have a faulty rearview camera display problem that would increase a crash risk. Owners of the affected cars ...

This teardown of a 2012 Honda Civic’s R18 engine shows how added engine complexity can compromise long-term reliability. Modern engine tech improves efficiency but may reduce long-term reliability, ...

During a White House roundtable on Monday tied to a new $12 billion “bridge payment” plan, President Donald Trump said his administration will move quickly to ease environmental requirements affecting ...

The owner of this Ram 1500 TRX started having engine issues even before hitting 20,000 miles on his truck. His HEMI was choking, and stalling, and making weird noises. So, instead of taking it to the ...

Car manufacturers are quickly learning that a software-defined vehicle is not an easy thing to, well, define. It’s a whole new world for auto manufacturers who once just had to worry about suspension ...

The Committee on Environment and Public Works is reviewing a bill that would require the Environmental Protection Agency (EPA) to authorize manufacturers to suspend engine derates and shutdown ...

President Donald Trump pardoned Troy Lake on Friday. The 65-year-old Wyoming diesel mechanic spent seven months in federal prison for tweaking and removing emissions systems on ailing engines. When he ...